Medical oxygen concentrator



1.-2. Medical oxygen concentrator

1.1 is a perspective view;

1.2 is a front view;

1.3 is a rear view;

1.4 is a top view;

1.5 is a side view; and

1.6 is another side view.

2.1 is a perspective view;

2.2 is a front view;

2.3 is a rear view;

2.4 is a top view;

2.5 is a side view; and

2.6 is another side view. 

CLAIM The ornamental design for a medical oxygen concentrator, as shown and described. 